University of Illinois Urbana-Champaign

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Showing 2431–2460 of 2,745 items
Thumbnail for Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Petroleum industry in Illinois, 1974. Part I. Oil and Gas Developments
Illinois State Geological Survey; Van Den Berg, Jacob; Lawry, Thomas F.

Thumbnail for Catalog of Devonian and deeper tests in central Illinois
Catalog of Devonian and deeper tests in central Illinois
Stevenson, D.L.; Keys, John N.; Cluff, Robert M.

Thumbnail for Illinois agricultural pesticides conference: Proceedings
Illinois agricultural pesticides conference: Proceedings
University of Illinois at Urbana-Champaign. College of Agricultural, Consumer, and Environmental Sciences. Cooperative Extension Service